This time, itâs chlorine tablets. Some businesses say once they're out, that's all they'll have for the season. Anthony Bruno-Cruz said Waterburyâs Hamilton Park pool is his familyâs go-to pool in the summertime. He was one of the many families cooling off amid the extreme heat on Monday. In fact, Waterburyâs pools just opened up over the weekend. They have all the staff they need and all the chlorine they need. "Our parks supervisor, he got ahead of the curve. He ordered stuff back in February. So, we anticipated this to happen, it was a good guess, an educated guess, and it worked out in our benefit,â said Victor Cuevas, Waterburyâs supervisor of Recreation. âNormally at this time of year, this is full of chlorine."